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Modelling the Quench Tower in Flue Gas Cleaning of a Waste Fueled Power Plant
Malardalen Univ, Sch Business Soc & Engn, SE-72123 Vasteras, Sweden.;Tianjin Univ Commerce, Key Lab Refrigerat Technol Tianjin, Tianjin 300134, Peoples R China..
Malardalen Univ, Sch Business Soc & Engn, SE-72123 Vasteras, Sweden.;Tianjin Univ Commerce, Key Lab Refrigerat Technol Tianjin, Tianjin 300134, Peoples R China..
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Chemical Engineering.
Malardalen Univ, Sch Business Soc & Engn, SE-72123 Vasteras, Sweden..
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2018 (English)In: JOINT INTERNATIONAL CONFERENCE ON ENERGY, ECOLOGY AND ENVIRONMENT ICEEE 2018 AND ELECTRIC AND INTELLIGENT VEHICLES ICEIV 2018, DEStech Publishing Inc , 2018Conference paper, Published paper (Refereed)
Abstract [en]

To control the emission of pollutants in the flue gas, a separated flue gas quench was added after flue gas desulfurization and before flue gas condensation. A mathematic model was developed to simulate the heat and mass transfer in the flue gas quench. The model was validated through the comparison with measured data. Based on this model, the impacts of inlet flue gas condition and injected recycling water flow rate on the water consumption of the quench and the temperature of exit flue gas (FG) were studied. The results show that the temperature of exit FG and water consumption increased with the increase of flow rate and moisture content of FG. The temperature of exit FG increased and the water consumption decreased with the increase of droplet water diameter. The temperature of exit FG decreased and the water consumption increased with the increase of water flow rate. In order to cooled and humidified the flue gas sufficiently, the droplet diameter should be limited to 1.2 mm and the water to FG flow rate ratio (L/G) higher than 2.

Place, publisher, year, edition, pages
DEStech Publishing Inc , 2018.
Series
DEStech Transactions on Environment Energy and Earth Sciences, ISSN 2475-8833
Keywords [en]
flue gas, quench, mathematic model, temperature of exit FG, water consumption
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-252950ISI: 000468631900126ISBN: 978-1-60595-590-2 (print)OAI: oai:DiVA.org:kth-252950DiVA, id: diva2:1322994
Conference
International Conference on Energy, Ecology and Environment (ICEEE) / International Conference on Electric and Intelligent Vehicles (ICEIV), NOV 21-25, 2018, Swinburne Univ Technol, Melbourne, Australia
Note

QC 20190611

Available from: 2019-06-11 Created: 2019-06-11 Last updated: 2019-06-11Bibliographically approved

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